#include<bits/stdc++.h>
using namespace std;
int n,cnt[100010],ans;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        int x;
        cin>>x;
        cnt[x]++;
        ans=max(ans,cnt[x]);
    }
    cout<<ans;
    return 0;
}
//`~1234567890-=qwertyuiop[]\asdfghjkl;'zxcvbnm,./'!@#$%^&*()_+QWERTYUIOP{|ASDFGHJKL:"ZXCVBNM<>?"}
